Herman wolfertz



(No Model.)

H. WOLFERTZ.

GAR AXLB. No. 346,009. Patented July 20, 1886.

Invrnbr;

' l /Zrerman MZjfgrlz,

N. PETERS. Flwwulhompmn vyawmgtan. D C

UNITED STATES PATENT OEEICE.-

HERMAN VOLFERTZ, OF DETROIT, MICHIGAN, ASSIGN OR OF ONEHALF TO CHARLESW. VOLFERTZ AND JAMES R. PEMBERTHY, OF SAME PLAGE.

CAR-AXLE.

SPECIFICATION forming part of Letters Patent No. 346,009, dated July 20,1886.

Application Iled April 24, 1886. Serial No. 200,071. (No model.)

.To all whom t may concern/ Be it known that I, HERMAN WOLEEETZ, ofDetroit, in the county of Vayne and State of Michigan, have invented newand useful Improvements in Axles; and I do hereby declare that thefollowing is a full, clear, and exact description thereof, referencebeing had to the accompanying drawing, which forms a part of thisspecification.

This invention relates to a new and useful improvement in axle-bearings;and the invention consists in the peculiar formation of the axle for thepurpose of preventing the lubricant in the journal-box from being wastedby I5 the action of the centrifugal force when the axle is in motion.

y The bearing of a car axle is made of less diameter than the partsadjoining, and the natural consequence of this formation is, that 2Owhen the car is in motion some of the lubricant will, by the action ofthe centrifugal force, gradually be drawn from the bearing upon theadjoining portion which is outside the journalbox, and from there itwill be 25 thrown off and wasted, as experience has demonstrated. It isusual, in practice, to form shoulders or offsets between theaxle-bearing and between that part of the axle upon which the wheel issecured, and which is of larger diameter; but it is clear that thisarrangement forms no remedy, neither will aso-called dustguard. In myimprovement the oil is retained within thejournal-box by means of ataper formed between the axle-bearing and between the adjoining part onwhich the wheel is secured, all as hereinafter described, and showninthe accompanying drawing, in which A is the journal-box, B the axle, Othe axlebearing, and D a wheel.

E is a taper, formed between the axle-bear- 4o ing and that adjoiningportion of the axle to which the wheel is secured. This taper has itslarger diameter immediately adjoining the bearing, so as to form anoffset or shoulder,

F. This offset or shoulder is still within the journalbox, and its outerdiameter is larger than the diameter of the axle-bearing and of theadjoining portion of the axle.

In practice, it will be seen that all the lubricant which escapes fromthe bearing is by 5o the centrifugal force collected at the shoulder oroffset F, from whence it is again thrown into the journal-box, insteadofbeing wasted, asin the ordinary form of axle, where' it is drawn ontothe thicker portion of the axle outside thejournal-box.

I am aware of the Patents N os. 29,551 and 312,181, and make no claim totheconstruction shown therein as forming part of` my invention.

I deem it important that the taper extend outside of the journal-box, asshown, whereby all liability of the oil being thrown onto the thickerportion of the axle is avoided.

That I claim as my invention is- In an axle-bearing, a taper formedbetween the bearing and the adjoining portion of the axle on the inside,said taper having its largest diameter on the side toward the bearing,and extending outside of said box, substan- 7o tially as and for thepurpose described.

HERMAN VOLFERTZ.

Vitnesses:

H. S. SPRAGUE, WM. TURNER.

